Experimental and theoretical evaluation of bubbler humidifier for humidification-dehumidification water desalination system

Patel, Vivek; Patel, Rajesh; Patel, Jatin

doi:10.1007/s00231-019-02659-1

Cited by 8 publications

(9 citation statements)

References 23 publications

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“…З огляду на це підвищення ефективності масообмінних процесів у зволожувачах є одним з перспективних напрямів експериментальних досліджень. Конструкції контактних теплообмінників, які на сьогодні використовують як зволожувачі [11]- [18], показано на рис. 3.…”

Section: вступunclassified

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Energy Characteristics of Thermal Desalation Systems with Different Types of Humidifiers

Sereda,

Prytula

2023

VVPI

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Section: вступunclassified

“…Автори праці [11] вивчали ефективність барботажного зволожувача з підігріванням повітря в електричному нагрівнику. Зволожувач (рис.…”

Section: рис 4 схема установки Hdh зі зволожувачем з пакувальним мате...unclassified

Energy Characteristics of Thermal Desalation Systems with Different Types of Humidifiers

Sereda,

Prytula

2023

VVPI

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“…At the outlet of bubbler humidifier, the humidity ratio of air can be computed from the following correlation 23 :…”

Section: Figurementioning

confidence: 99%

“…The generalized expression of coefficient of heat transfer can be obtained by considering the Lewis factor and expressed as follows 23 :…”

Section: Mathematical Modeling Of Bc Humidifiermentioning

confidence: 99%

“…The outcomes presented that the yield of the system enhances at greater solar radiation. Vivek et al 23 experimentally and theoretically investigated the bubbler humidifier for HDH system. They have analyzed that relative humidity (RH) at the outlet of the system is exactly comparable with water column height in the humidifier, air mass slow rate, and temperature of air and water and inversely proportional to diameter of hole on the periphery of tube.…”

Section: Introductionmentioning

confidence: 99%

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Theoretical and experimental investigation of bubble column humidification and thermoelectric cooler dehumidification water desalination system

Patel

2019

Int J Energy Res

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The desalination of adulterated water for potable water is very important and in-demand because of the scarcity of the potable water. The bubble column (BC)-type humidification-dehumidification (HDH) desalination systems have shown promising results for low quantum need of fresh water. The present work consists of bubbler humidifier for increasing the humidity of atmospheric air and thermoelectric cooling (TEC) modules for the dehumidification of the humidified air. The air and water have been heated through external device for the sake of performance enhancement. The work of the proposed HDH system has been assessed experimentally as well as theoretically in order to identify the impact of system operational parameters like temperature of air and water, diameter of hole on the periphery of circling tube, height of hot water column, and the air mass flow rate on the production of fresh water.The daily distillate production achieved during the investigation was in the range of 7 to 13 L/d for different operational parameters although the best experimental productivity of the system was reported 12.96 L/d for 2 mm of hole diameter, 0.016 kg/s of air mass flow rate, 60°C of temperature of water, 27°C of temperature of air, and 7 cm of water column height in the humidifier.The gained output ratio of the system was 0.8 for 0.016 kg/s of mass flow rate of air. A theoretical model of the system is also proposed, and results of model are validated against experimental results, which have shown the great agreement.Nomenclature Notation: A, water area, m 2 ; a s , specific surface area, 1/m; C p , specific heat, J/kg K; D, diameter, m; d o , diameter of hole on spiral tube, mm; D AB , diffusion coefficient, m 2 /s; G, gravitational acceleration, m/s 2 ; h, specific enthalpy, J/kg; h fg , latent heat of evaporation, J/kg; h t , heat transfer coefficient, W/m 2 , air superficial velocity, m/s; V c , liquid circulation velocity, m/s; V b , bubble velocity, m/s; V, volume of bubble column, m 3 ; W, specific humidity, kg/kg of dry air; x, mass flow rate, kg/s; z, height of water column in humidifier, cm Greek letters: ε, void fraction; Ρ, density, kg/m 3 ; σ, surface tension of water, N/m; α, Seebeck coefficient, V/K Subscript: 1, air at humidifier inlet; 2, air at humidifier outlet (dehumidifier inlet); 3, air at dehumidifier outletHow to cite this article: Patel V, Patel R, Patel J. Theoretical and experimental investigation of bubble column humidification and thermoelectric cooler dehumidification water desalination system. Int J Energy Res. 2020;44:890-901. https://doi.org/ 10.1002/er.4931

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Effects of the frequency conversion characteristics of fan and pump on the performance of heat pump driven humidification-dehumidification wastewater treatment system

et al. 2022

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Experimental and theoretical evaluation of bubbler humidifier for humidification-dehumidification water desalination system

Cited by 8 publications

References 23 publications

Energy Characteristics of Thermal Desalation Systems with Different Types of Humidifiers

Energy Characteristics of Thermal Desalation Systems with Different Types of Humidifiers

Theoretical and experimental investigation of bubble column humidification and thermoelectric cooler dehumidification water desalination system

Effects of the frequency conversion characteristics of fan and pump on the performance of heat pump driven humidification-dehumidification wastewater treatment system

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